甲醛属于哪一类消毒剂（）

[单选题]下列关于圆环形卡环臂的起始部分的叙述，正确的是（）

[问答题]Cloze 3　　I was so excited after I had found the holiday in the guidebook. It said, “Enjoy a week of sightseeing in one of Europe’s most beautiful cities  1   staying at one of its best hotels.” Now I wasn’t so sure. I had waited fifteen minutes at reception(前台) when I  2   and now the shower in my room wasn’t working. I  3   hotel reception.　　“Hello. This is Room 308. There isn’t any  4   in my bathroom,” “Are you sure?”　　“Of course I’m sure!”　　“I’ll  5   our hotel engineer at once.”　　An hour later, the engineer came to look at the  6  . He hit the pipes(水管) a few times and looked  7  . “Sorry, but I cannot fix it today. Maybe tomorrow.” Then he  8   his hand. I couldn’t believe it! He wanted a tip(消费) for doing  9  ! I was very angry. But suddenly, I had a better idea.  10  , I gave the engineer a few coins. He hadn’t fixed my shower but he had taught me something  11   staying in his country. Two minutes later I was at the reception desk. I explained the  12   to the receptionist (接待员) and he replied, “Sorry. This is a  13   situation, but what can we do?” I knew exactly  14   to do. I gave the hotel manager a very large tip. Fifteen minutes later I  15   into Room 405. It was twice the size of Room 308, it had a wonderful view(景色) of the city, a comfortable bed and, most importantly, there was water in the bathroom.

[填空题]学生的主体性主要表现在以下三方面：（）、能动性、（）。

[多选题]授信额度的决定因素有（）。

[单选题]肝硬化病人蜘蛛痣、肝掌及男性乳房发育等体征产生的原因是（）

[判断题]冷冻也是一种杀菌手段，与加热杀菌没有本质区别。

[单选题]场（厂）车驱动桥的差速器壳体过热可能原因（）。

[单选题]10岁男孩。因发热1周于8月份入院。体检：表情淡漠，躯干部散在数枚淡红色斑丘疹，咽不红，颈部淋巴结数枚，黄豆大小，心肺无异常，腹胀，肝肋下3cm，脾肋下2cm。实验室检查：白细胞7×109／L，中性粒细胞65％，淋巴细胞30％，异形淋巴细胞8％，ALT70U／L，AST80U／L，2天前肥达试验阴性。 如果肥达试验结果为01：40，H1：80，结合病史你如何解释（）

[单选题]下列那种表述是错误的（）

[单选题]某社会服务机构中，新进机构的社会工作者李磊分在了青少年服务部，在培训期间，机构指派了一个特定督导。这个督导对李磊负完全责任，培训期结束后，李磊才回到自己的部门接受部门主管领导。该服务机构的组织结构类型属于（　　）。